These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / net / ethernet / ti / davinci_emac.c

diff --git a/kernel/drivers/net/ethernet/ti/davinci_emac.c b/kernel/drivers/net/ethernet/ti/davinci_emac.c
index aeebc0a..33bd3b9 100644 (file)
--- a/kernel/drivers/net/ethernet/ti/davinci_emac.c
+++ b/kernel/drivers/net/ethernet/ti/davinci_emac.c
@@ -1861,8 +1861,12 @@ davinci_emac_of_get_pdata(struct platform_device *pdev, struct emac_priv *priv)
        pdata->no_bd_ram = of_property_read_bool(np, "ti,davinci-no-bd-ram");
 
        priv->phy_node = of_parse_phandle(np, "phy-handle", 0);
-       if (!priv->phy_node)
-               pdata->phy_id = NULL;
+       if (!priv->phy_node) {
+               if (!of_phy_is_fixed_link(np))
+                       pdata->phy_id = NULL;
+               else if (of_phy_register_fixed_link(np) >= 0)
+                       priv->phy_node = of_node_get(np);
+       }
 
        auxdata = pdev->dev.platform_data;
        if (auxdata) {
@@ -1882,51 +1886,13 @@ davinci_emac_of_get_pdata(struct platform_device *pdev, struct emac_priv *priv)
        return  pdata;
 }
 
-static int davinci_emac_3517_get_macid(struct device *dev, u16 offset,
-                                      int slave, u8 *mac_addr)
-{
-       u32 macid_lsb;
-       u32 macid_msb;
-       struct regmap *syscon;
-
-       syscon = syscon_regmap_lookup_by_phandle(dev->of_node, "syscon");
-       if (IS_ERR(syscon)) {
-               if (PTR_ERR(syscon) == -ENODEV)
-                       return 0;
-               return PTR_ERR(syscon);
-       }
-
-       regmap_read(syscon, offset, &macid_lsb);
-       regmap_read(syscon, offset + 4, &macid_msb);
-
-       mac_addr[0] = (macid_msb >> 16) & 0xff;
-       mac_addr[1] = (macid_msb >> 8)  & 0xff;
-       mac_addr[2] = macid_msb & 0xff;
-       mac_addr[3] = (macid_lsb >> 16) & 0xff;
-       mac_addr[4] = (macid_lsb >> 8)  & 0xff;
-       mac_addr[5] = macid_lsb & 0xff;
-
-       return 0;
-}
-
 static int davinci_emac_try_get_mac(struct platform_device *pdev,
                                    int instance, u8 *mac_addr)
 {
-       int error = -EINVAL;
-
        if (!pdev->dev.of_node)
-               return error;
-
-       if (of_device_is_compatible(pdev->dev.of_node, "ti,am3517-emac"))
-               error = davinci_emac_3517_get_macid(&pdev->dev, 0x110,
-                                                   0, mac_addr);
-       else if (of_device_is_compatible(pdev->dev.of_node,
-                                        "ti,dm816-emac"))
-               error = cpsw_am33xx_cm_get_macid(&pdev->dev, 0x30,
-                                                instance,
-                                                mac_addr);
-
-       return error;
+               return -EINVAL;
+
+       return ti_cm_get_macid(&pdev->dev, instance, mac_addr);
 }
 
 /**
@@ -2004,8 +1970,10 @@ static int davinci_emac_probe(struct platform_device *pdev)
        if (res_ctrl) {
                priv->ctrl_base =
                        devm_ioremap_resource(&pdev->dev, res_ctrl);
-               if (IS_ERR(priv->ctrl_base))
+               if (IS_ERR(priv->ctrl_base)) {
+                       rc = PTR_ERR(priv->ctrl_base);
                        goto no_pdata;
+               }
        } else {
                priv->ctrl_base = priv->remap_addr + pdata->ctrl_mod_reg_offset;
        }